product details:

The ResMed H5i heated humidifier offers relief from dryness and congestion by integrating with the S9 CPAP. It doesn’t require any separate power supply, your existing S9 device will automatically detect as soon as the H5i is connected. H5i has added intelligence to help deliver constant humidity to minimize rain-out during standard humidification. It can be used with either the standard SlimLine tubing or with the recommended ClimateLine Heated tube. By using the ClimateLine Heated tube will